// news // about // live // still // video // tools // misc //

Creative Commons License

Video Circuit Bending


Luxon VB-302 'black edition', second edition of a bent luxon va-300, in commission of Miltonfilm. Nice circuit for bending; there are still some tricks to pull, especially in combination with the present functions. It now has a high contrast with blur effect, vertical noise in paint style effect, negative saturation on audio in effect, and more... I put some bnc connector on it which fit perfectly. The extension cable that's used is a 35 twist pair solid data cable, which I get from Gijs, twist pair cables reduces the interference of the extensions. Pretty much any av signals can go over cat5 (network) cables, even long distance.

The encloser is from hammond, the switch nipples ( rubber cover) and black metal guitar knobs from ebay. On the box are a bypass, an audio distortion which is controllable on the main desk, four variable effects and four switch effects. Other functions are still available and enhance the made effects.

Panasonic AV5-E

The AV5-Error Version 1 digital stereo audio to video glitcher. Ultimate bend video mixer for av-glitching. I fried two MX-10 and gave up. The AVE5 is perfect for bending, easy to solder; effective output. mx-10 has another digitizing process, as the mx-12. The ave3, 5, 7, and maybe the 22 have two bus buffers: you can glitch two video sources separately.

Now, the AV5-Error is not a difficult circuit. All the point (12 for each video input), are directly connected with the audio ins or the ground. Two audio lines can be selected, if there's no selection its connected to the ground which also cause glitching and give best combonations. The two knobs regulate the audio in. The movie is an example of the possibilities, but as usually the tool contains far more combinations and outputs as this.

Failter 2.0

Failter 2.0 is a modified Datavideo VP-286 (VP-260 / VP-263), a solid circuit with allot possibilities for video distortions. The VP-286 has a fade-to-black, enhancer and color faders as default functions and are still in use in the Failter 2. I bought this datavideo vp-268 for 3,50 euro on a secondhand market.

The Failter 2 has four knobs that contain each two effects. The slider is a dirty mixer between two sources and goes into the circuit after mixing. The two knobs in the top are the color and enhance faders replaced by potmeters, and the slider is the fade-to-black. The big switch on the left with the square pushbutton beside it are bypasses. Its for bypassing the hole failter and the input is going directly to the output.

The same day it was finished Pekka Stokke did a live test, video artist & vj at Motorpsycho, at the state-x new-forms in The Hague.

Failter 1.0

Failter 1.0 is a fact. I love the retro aesthetic of the enclosure, it also has something to do with the medium video and the submedium video glitch. I found 8 of the same, new enclosure for very little money! Its hard to find your material nowadays. Especially potentiometers, orignal switches, or any electronics with moving components. Circuit bending or rather interface building is becoming a expensive practice.

The original pcb of a video enhancer is a simple and not so nice board for quick and easy bending. The only thing I like about this pcb is that its bend, and the two outputs that have different image when controlling the Failter. The Failter has two inputs and two outputs, with a dirty mixing style slider and two selectable outputs. The three knobs are effects with each two banks, so six different effects. The pushbuttons can be used as quick effect glitchers, and the big black button is a beautiful, sort of feedback effect.


Luxon Video Brutality 300 Plus. The Luxon VA-300 is a nice device for bending because it has some features that are very usefull when playing live. A bypass switch that kill all effect and directly route the input to the output. It is one of the few cheaper video processor that includes a negative function, three sliders for color processing: contrast, saturation and complement, and switchable between two sources. A very bendable video processor!

It includes a photesensor thats adjustable with a potmeter. Three main effects with each two bank switch. A white and black flash functions on the right side of the box, and on the left a audio to video function. The extention cable doesn't add any noise to the functions because its well shielded.

Afterall I'm very pleased with the Luxon VA-300. To bad they are hard to find and one day they will be collector items that will kill the circuit bending era. The bending era is doomed because of the nano technology that makes toys, processor, cheap electronics in one small chip. So, buy your toys now!

Digital video corruption on midi with the Panasonic WJ-AVE3. Planned glitches full of surprises. I fried two machine to get it working. This mod is more a hack on getting special glitch effect on video input. Thats why I wrote a quick how-to Its solid on the sync and gives allot possibilities with only 12 wires from the pcb. I've tried this mod on a AVE-5 or DMV-1000 (2 source digital video mixer) and it worked the same way, even better because you have two video busses which you can corrupt the buffers.

Inside I connected the ground or the a/v sychro to the buffer ic's. This machine is a digital video mixer , so it will buffer full-frame. This way you don't touch the sync and keeps the signal clean. Combinations of pushbuttons can grow to abstract video glitching, and the 'a/v synchro' glitch function works great! Its an normal function of the ave-3 that actually works pretty crape. Dont' have a video yet but I'll put it on soon...

manual: HOWTO


Second version bent sima character generator. It can't generate characters anymore but can f*ck up your video input. It distorts on the vertical video sync, so mostly it will generate horizontal line/ streips/ blocks over the video input. Sometimes have a digital aesthetic. It also touches the input video on some points and the sync so can crash your projector. When extent the found point with a printer cable the video signal becomes noisy but its portable and playable.

A serie of pushbuttons and two potmeters for adjusting the amount of effect on the video. I used a 100k and a 10k potmeter. The 100 k is for the heavy effects and the 10k for slide adjustments. On the right we have a bank switch.


Video brutality, second version of the vmx-500 video faders from Alecto. This crappy video faders have an nice circuit thats running on 9v batteries. So if you like to start video bending, this is the device you should get! But probably all cheap video devices that have a fade-to-black function run on 9v and have these effects. You actually get effects that look like chroma-keying and extract.

Effects are controllable with 100 or 1k ohm potmeters and often a 47-100 nf or 1/10/100 uf capacitor between the points. Th audio effect again the 1k pot trick. I made a schema but there are more possibilities, just use a 1 k pot and try some capacitors from and old circuit. It are the small ones with the test 104 j or 473 z, here's a nice online capacitor calculator, just try some different caps and different resistors. Find your own brutality!

btw, the music in the video is from DB, new artist at Lomechanik.


Footgritcher, a project in commission of TIND, a Video Art Group from Montreal. For this mad patcher I used a obsolete video descrambler. We use to have these decoders to receive a certain tv-channel but there obsolete since there's digital transmitting. Nice thing is that it are sync generators They are perfect for quick result but harder to find combinations. And even harder to keep the signal a clean. I used diodes (IN4150) and 5w 100ohm resistors to keep it clean, still there's noise on the output if all cables are connected.

With a 5 input switcher LEDs its also a gritch-switcher. The knob on the side is probably the slowest switcher there is so high gritchable. Again a use a DPDT for a preview out and a main output to turn on and turn off the effects and still have a preview to see what you are doing. On the last moment I decide to add audio to video function. Its a simple trick to let the audio interfer with the video.

I found two main points that can be connected to allot points. The 3x4 patch bay are all wired to the same point, the video input. So there's a little bit feedback but its enough delayed to work with it. The 3x3 patch bay main point is connected to the brightness pot.

Dirty Mixer

Dirt & Cheap Non-Sync Video Mixer. Just one potentiometer and some connectors and you have your self a video mixer. Well, not really sync but its mixing, haha. Simple and dirty. If you leave the knob in the middle the signal it losses sync on the output. Now, you could change the switches into push buttons and have yourself a simpler switcher. It isn't gritch free but it doens't need any power or parts.

I made two switches onit so you can change input 1 and 2 to the other side of the knob. Its also there to have the option for normal image. If you leave the two signals on the pot it will be slidly visual as a vertical rolling image. For this you need a 1 k ohm potentiometer, 3 RCA connectors, 2 switches (SPDT) and a enclosure. Connect the inputs to both switches, one input to each switch. Connect the output of the switches to the side pins of the pot and the middle is your video out.

Dehancer 1.2 / 1.3 / 1.4
PAL and NTSC video distortion and interference tool. Portable, effective and easy to use for live purpose. Provides sync distortions, audio interference, radical flicker FX and video noise aesthetics. A time base corrector is required for viewing on video projector or other digital based media.

video: dhc2.mov


Dehancer for PAL and NTSC video dehancing. Original circuit from a Saba video enhancer. Their are different brands of this kind of video enhancer that contain a simple audio mixer (2 sources) and a video enhancer that often is poorly regulated. A dvd video input is quickly over-enhanced and gets out of sync. With the Dehancer the video input gets totally unusefull for watching nice dvd's, haha. This is a portable analog video gritcher. A tool that can be used for live visual distortion.

The switch on the right side of the box will bypass the effects on the main output and will show a preview on the second output and the normal video input directly to the output. So its possible to adjust the image right and use the push buttons for short interruptions.


Random Title Generator from Bauer Bosch. Its a VTG-500 in a bigger case, and they call it VTG-1000 Studio. Bauer Bosch has more title generators and can superimpose its graphics over an incoming video feed. I very much like these aesthetics of 'glitchy' text. Its random, not chaos but often totally surprising outcome. The nervous, jumping style of randomness; black/white appearance, I love it. I consider this has my new movies but than with constantly changing content. A kind of programming but without a command-z option. Hardware-patch to set structure in too many possibilities.

On the top two body contacts, three switches that active the random generating characters and a knob for a sort of offset characters. On the bottom there are three on-off-on switches with push buttons for 6 different effects that can be combined.


Video Scrambler 22 from the Vivanco VCR-3022. Vivanco has a large series of obsolete video hardware ebay.de; there are pletty of potential video disrupters. With solid power converters its still very dangers to bent this kind of machine; working beside the 220/110 volt input; the outcome is precious!

When searching for enclosures I found polycase.com. And they offer samples, if you call. I'm bored of these standard enclosures but there ain't good alternatives. Knobs found on ebay at the HongKongSuperSeller. Again I used a printer cable to extent the bends because there's no place for extra buttons or knobs on the original case. I recently bought three printer switch boxes for 50cents each. Their very useful for extensions like these. I extent the video input and output to a simple cinch on the back because a most scart connector wouldn't fit. Sold to video artist Pekka Stokke from Norway.

video: vsr22.mov

Eddie 4

Analog Video manipulation by body contact. This is a 'analog video synthesizer'. After some pots connected I touched the pcb and it manipulated the image very direct. I figured out all the points that have different effect on the image. I love the tangibility and direct effect, it gives the feeling of handling with a video instrument. No real-time soft stuff, this is a analog, dirt cheap video synthesizer.

The 4 knobs 'regulated' the edges of the wipes and provide different gradients in the color. I made 25 contacts but there around 15 contacts have different effect on the image that have to be combined with the two general contacts on the bottom. Pushing harder on the contact gives more effect. I used it recently in a collaboration with Christian Toonk, with success. We did several live cinema sets in Netherlands.


Digital No-Writer use to be a Sima Screen Writer but the character generator died. I put 12 volt on the pins of the generator, stupid me. Still there where some very interesting digital-alike glitch possibilities that can be controllable with knob. Running on 9v. Also the small design of the print is practical when rebuilding it in a cases. These sima sw are in PAL as NTSC versions. The digital-alike glitches where pretty reliable for using projector. The glitches appear as a layer on top of the video input without touching the sync. I noticed that title generators often keep straight sync and have coincidental appearance.

In this one I used 2 x 6 options that can be flashed or turn on/off, amount control, switched . The black switch (+knob) in the right corner is a option to (raw)mix a second video channel. There's no synchronization between them so they get corrupt. There's off course a audio input to distorted the video on audio input, all 'controllable'.


Audio Video Mixer 570 is originally a alecto vmx-500 or 550 or 600. The circuit is used in various simple video mixer. Its actually not a video mixer because it doesn't mix video but audio. There's only a video fader. Funny, that the manufacturers don't care about the bad quality of fading video to black. When moving the slider there's always vertical black video noise over the input video. Only when fading really slow there's no noise. Its not broke, its perfect, its imperfect!

I like this machine because its portable and running on 9volt battery. One battery will last for 5-6 ours on full use. There's also a option for dc-power. For the connection to the extension box I use a 8 pins mini-din connector. Its a nice small connector that can be find in old laptops or graphic cards (female) where they are used to output audio and s-vhs video signal together. I sold this one because its not really my effect. There's not much to find but its a good device to start bending video.


OSD-glitcher. Takes the jx-sv77 character generator to oasis of disorder. With very stabile sync signal this machine really surprises me. The diversity in appearance, triggered by the audio input, has an instrument feeling. I tried my best to make something like a instrument...and it's pretty playable.
The big grey button functions as a kind of glitch still or white enhance or zoom. The red buttons + switches are different osd-glitchers that react on the audio input (line in or mic in). The black ones + switches are adds and need to be combined with the reds to see result. The knob is a sort of amount control, and in the right top a enhance and flash function (to clear sticky characters). Eventually the combinations and function are vague what makes it interesting. Sometimes there is a clear change in a function, looks like a capacitor clearing his charge.

video: sv79.mov



is a s-video to composite converter in which you can distort the signal. I needed a converter that I found here but I couldn't resist to f*ck it up. This is the rotation version on the keypad I did last year with bnjnm. It's not a outstanding electronic schematic but it's fun. I added an audio input that can be switched on and off. I used recycled capacitors from an old video mixer.

video converupt.mov


Repurposing the JVC jx-sv77. I told already that this obsolete mixer is highly potential glitch video device. Beside the trillion bent options for wipes-to-audio-interaction, this device include a interesting chip-combination that produce hyperkinetic composite video signal and glitchy osd. The totally chaotic character appearance can be 'fade out' to black. It's not hard to find this bent, the mixer is the problem. It's huge, not so stabile (allot bent are crash-sensitive that needs cold-starts) and it includes 6 prints that are off course all connected with each other. The bottom print has the coolste bents (wipes); the osd-chip is the IC329; you can pick the audio straight from a cinch/jack on to the pins, but it's better to pick it from this point. (R842).

Sony VX-A33f_02

So I found another machine. It's the casio SK-5 under the video-bending machines, love it!! In this version I made a extension with a joystick, because there was no more space in the sony itself. It's a joystick box from a old game consul and a old acarde connector. This one as two ways of visualizing the audio, one really simple and effective bend (black middle wire) in which I can use the phone-volume to show more or less noise in the image. The other is in combination with the joystick effect. Also I found a sort of vertical sync bend. It's a beautiful scrolling effect, a real video bend.

The First One
The vertical fader mixes the audio-in with video (literal), three rotation knobs for extra bent features, as blurring image, kind of over-brightness and edges fog. The three buttons are for vid-banging; (complete image break down). I also added a audio-in switch for turning sound effect off and a video-in switch on the left site to route the signal directly to output. This machine is solid and there are a lot possibilities for creating a live video-mayhem device.The second picture is the audio to video bend. Use pin 11 of the hef 4053 to show audio on your video-input. Picture 3 is the other bends.

Universal Keypad

This keypad is a nice tool to make combinations with 'effects'. The keys are sharing the same ground on the artwork, thats why you can combine some bends. I just put some resistors and capacitors between the ground and luma (Y of the s-vhs connector). luma and chroma, chroma chroma ground.
I bet someone can do this officially and make it rough and portable! maybe power with some amps.

video: .mov

Hama EasyCut

Oke, it killed my pb's video-output. Do not buy hama! It did give some interesting images but not stabile.

< back